Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338014 | Electromagnetically driven shutter | Yoichi Tosaka | 1982-07-06 |
| 4333721 | Electromagnetically driven shutter | Yoji Sugiura | 1982-06-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338014 | Electromagnetically driven shutter | Yoichi Tosaka | 1982-07-06 |
| 4333721 | Electromagnetically driven shutter | Yoji Sugiura | 1982-06-08 |